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  <h2 id="tutorial_what_is_epub">EPUB 入门</h2>

  <p>If you are going to create an EPUB ebook, it’s probably a good idea to understand what EPUB is and how Sigil can help.</p>
  <p>如果您要创建 EPUB 电子书，那么了解 EPUB 是什么以及 Sigil 如何提供帮助可能是个好主意。</p>

  <p>EPUB is a standard file format created to display books, and Sigil helps you create EPUBs. Sigil is designed to take the book you created in a word processor and convert it to a standard EPUB file that can be published and read on ereaders. It can also be used to clean up and reformat existing EPUBs.</p>
  <p>EPUB 是一种用于显示书籍的标准文件格式，Sigil 可帮助您创建 EPUB。Sigil 旨在将您在字处理程序中创建的书转换为标准的 EPUB 文件，该文件可以在电子阅读器上发布和阅读。它也可以用于清理和重新格式化现有的 EPUB。</p>

  <p>How much you want or need to "clean up" your EPUB depends on you. If you are just formatting a book for yourself you may not be concerned with too many details and will be able to use Sigil just enough to get it to look right on your ereader. But if you are formatting for publication then you’ll find Sigil makes it easy to access and change any detail about your book.</p>
  <p>您想要或需要多少“清理” EPUB 取决于您。如果您只是为自己格式化一本书，则可能不必担心太多细节，并且可以使用 Sigil 足够使它在电子书阅读器上显示正确。但是，如果您要格式化出版物，则会发现 Sigil 使您可以轻松访问和更改有关书的任何细节。</p>

  <p>When you edit a document in a typical word processor you usually end up with 1 file, e.g. mybook.doc. This file contains all the information about your document. An EPUB is slightly different. Instead of using just 1 file to store your information, it uses separate files to store the parts that make up your document: chapters, images, table of contents, etc. But because it would be difficult to share lots of separate files with people, all these separate files are actually stored into a single compressed zip file with the file extension .epub, e.g. mybook.epub. An EPUB file is actually just a zip file that contains all of the files needed by your book.</p>
  <p>当您在典型的文字处理器中编辑文档时，通常会得到 1 个文件，例如 mybook.doc。此文件包含有关您的文档的所有信息。EPUB 略有不同。 与其使用一个文件来存储信息，不如使用单独的文件来存储构成文档的部分：章节，图像，目录等。但是由于与人共享很多单独的文件很困难，所有这些单独的文件实际上都存储在文件扩展名为 .epub 的单个压缩 zip 文件中，例如 mybook.epub。EPUB 文件实际上只是一个 zip 文件，其中包含您的书所需的所有文件。</p>

  <p>Sigil can open and create EPUB files, and it allows you to edit, rearrange, and format the individual files in the EPUB (like your text and table of contents).</p>
  <p>Sigil 可以打开和创建 EPUB 文件，它允许您编辑，重新排列和格式化 EPUB 中的单个文件（例如您的文本和目录）。</p>

  <p>Once you copy or import your document into Sigil, it becomes part of the EPUB file. And when you save your book in Sigil, your document is saved in the EPUB file.</p>
  <p>一旦将文档复制或导入到 Sigil 中，它就会成为 EPUB 文件的一部分。当您将书保存在 Sigil 中时，文档将保存在 EPUB 文件中。</p>

  <p>Note that Sigil is designed to work with EPUB 2 – the version supported by most e-ink readers and which is easily convertible to other formats. It also supports some EPUB 3 features such as audio and video – but these may not be supported on most devices.</p>
  <p>请注意，Sigil 旨在与 EPUB 2 配合使用——EPUB 2 是大多数电子墨水阅读器支持的版本，可以轻松转换为其他格式。它还支持某些 EPUB 3 功能，例如音频和视频——但大多数设备可能不支持这些功能。</p>
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